Kollektives improvisieren - Karkoschka, Erhard 1923- (Darmstadt Tonos, 1973)
Bibliography on verso of leaf 14.
German and English texts.
Includes "Material for improvisation: Schoolgraphic I, II, and III ; Three practice pages : Nine-storey house ; Conversation, imitation, rotation ; Translation into graphic ; and Three verbal instructions ; ad hoc 1, II, and III".
Keywords: Improvisation (Music).; Chance compositions